A support frame for a pet feeder includes a fastening element, a plurality of accommodating bodies, a carrying element, a supporting element, an upper cover, a base, a supporting seat, a plurality of anti-slip blocks, and a shaft bolt. A user can hold the fastening element to lift up the whole support frame for a pet feeder. The carrying element has a plurality of C-shaped accommodating portions arranged like pedals for allowing the accommodating bodies to be disposed therein respectively. The base is formed with an accommodating trough for allowing a liquid to be received therein to thereby prevent ants or other insects from crawling into the pet food received in the accommodating bodies. Thus, the pets can eat the pet food more conveniently and safely.
